If you’re looking for an extra-sweaty exercise routine that you can do at home, I highly recommend pulling up a cardio boxing workout on YouTube and having at it. The fast-paced, punching-based ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. January 12, 2026 Add ...

Sarah is a registered dietitian and freelance writer passionate about connecting people to information that will help them improve their mental and physical health. She’s a big believer that food is ...

Plenty of research touts the importance of cardiorespiratory fitness (CRF)—also known as cardio fitness, cardiovascular endurance, and aerobic fitness—as a health marker, as well as an athletic ...

If your weekly schedule looks like a jigsaw puzzle, squeezing in both cardio and strength training can be tough. Instead of making cardio feel like yet another looming item on your to-do list, let's ...